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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 28 — Oct. 1, 1999
  • pp: 5974–5980

Low-coherence interferometry with synthesis of coherence function

Yuichi Teramura, Keiichi Suzuki, Masayuki Suzuki, and Fumihiko Kannari  »View Author Affiliations


Applied Optics, Vol. 38, Issue 28, pp. 5974-5980 (1999)
http://dx.doi.org/10.1364/AO.38.005974


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Abstract

Synthesis of a coherence function by manipulation of the spectral phase of low-coherent light with a segmented liquid-crystal phase modulator and its application in a low-coherence interferometry are described. Effects of space–time coupling caused at diffractive gratings and second-order dispersion at the spatial light modulator on the coherence function synthesis are theoretically and experimentally verified. Various coherence functions can be shaped with phase-only masks designed by simulated annealing optimization algorithm. We utilized this technique for a novel optical low-coherence reflectometry without any mechanical movement for scanning optical delay.

© 1999 Optical Society of America

OCIS Codes
(070.2590) Fourier optics and signal processing : ABCD transforms
(100.4550) Image processing : Correlators
(100.5090) Image processing : Phase-only filters
(110.4500) Imaging systems : Optical coherence tomography
(120.2830) Instrumentation, measurement, and metrology : Height measurements

History
Original Manuscript: March 22, 1999
Revised Manuscript: June 25, 1999
Published: October 1, 1999

Citation
Yuichi Teramura, Keiichi Suzuki, Masayuki Suzuki, and Fumihiko Kannari, "Low-coherence interferometry with synthesis of coherence function," Appl. Opt. 38, 5974-5980 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-28-5974


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